December weather forecastRosario, Uruguay
December
Weather in December
The first month of the summer, December, is a warm month in Rosario, Uruguay, with an average temperature ranging between min 19.4°C (66.9°F) and max 25.3°C (77.5°F).Temperature
The start of December brings a subtle rise in the average high-temperature, moving from a pleasant 22°C (71.6°F) in November to a warm 25.3°C (77.5°F). An average temperature of 19.4°C (66.9°F) is recorded during the nights in December.Humidity
The average relative humidity in December is 67%.Rainfall
In Rosario, in December, it is raining for 10 days, with typically 66mm (2.6") of accumulated precipitation. In Rosario, during the entire year, the rain falls for 114.7 days and collects up to 678mm (26.69") of precipitation.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:30 and sunset at 19:47. On the last day of the month, sunrise is at 05:40 and sunset at 20:04 -03.
Sunshine
With an average of 11.1h of sunshine, December has the most sunshine of the year.UV index
The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 suggests these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosario, Uruguay
- Average high temperature in December: 25.3°C
The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (13.1°C).
- Average low temperature in December: 19.4°C
The month with the highest average low temperature is January (21.3°C).
The coldest month (with the lowest average low temperature) is July (9.6°C).
Average pressure in December
Rosario, Uruguay
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).
Average wind speed in December
Rosario, Uruguay
- Average wind speed in December: 18.1km/h
The windiest month (with the highest average wind speed) is September (21.1km/h).
The calmest month (with the lowest average wind speed) is December (18.1km/h).
Average humidity in December
Rosario, Uruguay
- Average humidity in December: 67%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is January (66%).
Average rainfall in December
Rosario, Uruguay
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is May (43mm).
Average rainfall days in December
Rosario, Uruguay
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is June (8.2 days).
Average daylight in December /
Average sunshine in December
Rosario, Uruguay
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 11h and 6min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Rosario, Uruguay
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (16.6 days).
Average UV index in December
Rosario, Uruguay
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Rosario, Uruguay
- Average cloud cover in December: 19
The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in December
Rosario, Uruguay
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
